Is a pansy, hydrangea, and sunflower a monocot or dicot plant?

They are a monocot. The monocot plant was the hydrangeas because of the hair like roots and the it growing upwards the dicot plants were the pansies and sunflower because they developed a taproot. The dicot plant was the sunflower.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.